/*
 *  Copyright 2022 Collate.
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  http://www.apache.org/licenses/LICENSE-2.0
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

const BUFFER_VALUE = 200;
const GAP = 10;

export const getTopPosition = (
  windowHeight: number,
  bottomPosition: number,
  elementHeight: number
) => {
  const bottomSpace = windowHeight - (bottomPosition + BUFFER_VALUE);

  return bottomSpace < 0 ? { bottom: `${elementHeight + GAP}px` } : undefined;
};
